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MARS 20581 3/4-1/2HP Direct Drive Motor 1075 RPM 460V/1PH

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Special Price $193.50 Regular Price $222.52
In stock
SKU
20581
The MARS 20581 Direct Drive Motor is a reliable and efficient motor with 3/4-1/2HP capabilities for HVAC systems use at 1075 RPM speed under 460V single-phase power. The motor operates independently from secondary elements such as gearboxes and drive shafts which simplifies maintenance operations while strengthening system reliability. Its small footprint enables quick installation within cooling towers air-cooled condensers and air-handling units. This motor system delivers superior energy performance because of its minimal component count and achieves quieter operation at the same time.
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Motors & Capacitors, Motors & Components
Manufacturer:
https://www.partshnc.com/media/catalog/product/2/0/20581-mars_partshnc.jpg

Specifications

  • Type: Direct Drive Motor
  • Horsepower: 3/4-1/2HP
  • Speed: 1075 RPM
  • Voltage: 460V
  • Phase: 1-PH
Manufacturer Name: MARS
Product Number: 20581
OEM Part Number: 20581
Product Description: 460V1ph 3/4-1/2Hp 1075Rpm Mtr
Weight:18.58lbs/8427.74g

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Product Questions (2)
Customer Questions
What maintenance is required for the MARS 20581 Direct Drive Motor?

Periodic inspection and cleaning of dust and debris to maintain airflow. Check electrical connections and tighten terminals to prevent overheating. Ensure bearings are lubricated if applicable and run smoothly. Follow safety precautions and disconnect power before servicing.

What are common issues with the MARS 20581 Direct Drive Motor?

  • Overheating from blocked ventilation or electrical overload.
  • Bearing noise or wear causing vibration.
  • Voltage imbalance or incorrect supply issues.
  • Reduced torque or failure to start due to capacitor or winding faults.

Installation Steps

Step 1: Disconnect power and apply lockout/tagout before servicing electrical components.

Step 2: Remove old blower motor housing access panel and note wiring connections carefully.

Step 3: Install new motor unit securely with proper alignment.

Step 4: Connect wiring per diagram ensuring correct voltage taps and grounding securely.

Step 5: Reassemble blower wheel ensure free rotation and smooth operation.

Step 6: Restore power test operation check speed airflow and performance properly.